88499543940 has 144 divisors (see below), whose sum is σ = 275696628480. Its totient is φ = 22968322560.

The previous prime is 88499543897. The next prime is 88499543941. The reversal of 88499543940 is 4934599488.

88499543940 is a `hidden beast` number, since 8 + 8 + 49 + 9 + 543 + 9 + 40 = 666.

It is not an unprimeable number, because it can be changed into a prime (88499543941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1485120 + ... + 1543560.

It is an arithmetic number, because the mean of its divisors is an integer number (1914559920).

Almost surely, 2^88499543940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88499543940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137848314240).

88499543940 is an abundant number, since it is smaller than the sum of its proper divisors (187197084540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88499543940 is a wasteful number, since it uses less digits than its factorization.

88499543940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58682 (or 58677 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 88499543940 in words is "eighty-eight billion, four hundred ninety-nine million, five hundred forty-three thousand, nine hundred forty".